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DLP V4100 上电后USB 无法连接

Other Parts Discussed in Thread: ALP

您好!我用labview控制DLP V4100的patten写入,在程序运行中USB意外断开,之后再连接就连接不上了。

重新上电后绿色LED(LD2)指示灯不亮(LD2 Steady 表示 FPGA configured),其它指示灯正常,用demo程序初始化失败,如下图所示。

请问出现这种情况的可能原因是什么?有无解决办法?